Mutations Flashcards
(10 cards)
1
Q
What is mutation?
A
Change in DNA base sequences
2
Q
What causes mutations?
A
Misreading of DNA
3
Q
What physical things cause mutations?
A
UV light, x-rays, radiation
4
Q
What chemical things cause mutations?
A
Bacteria/virus
5
Q
What is substitution?
A
The switching of one DNA base to another
6
Q
What is insertion?
A
The adding of a base into the sequence
7
Q
What is deletion?
A
The removal of a DNA base from the sequence
8
Q
Which mutations have they biggest effect on the polypeptide produced?
A
Deletion and insertion as there is a frame shift
9
Q
What is a silent change?
A
The codon changed codes for the same amino acids
10
Q
Why does introns not change the protein?
A
No code, no effect on amino acids
